Phonograph.



H. WOLKE.

PHONOGRAPH.

APPLICATION FILED una, 1907.

Patented Aug. 24, 1909 `i f a i crit effin f nan 'ti-ri PATENT rnesto eneieir.

Specification of Letters Patent.

. ibatented in .e

-.ppfiicatioii 'ed January?, 1907. geriet No.. e.

To att whom it .may concern.:

it iniown that i, HERMAN Wonne, a citizen ot' the United States, residing 'at Grange, in the county oi Essexand State of iisejfui improvements in Plionographs, of which the tollowing is a description.

My invention reiates to phonogia phs of the type wherein the reproducer or recorder is' have described and. claimed an improved form of iie'ed mechanism adapted to'be applied tc a phonograph torfeeding the movable carriage, by means of which l ani able to use a feed screw having, for example, onehundred threads to the inch and effect a progressive movement of the carriage of only one-half inch for one hundred turns of the feed screw, or one two-hundredth of an inch for one turn. i

The object of the present invention is to provide means whereby the Amovable cariiage may be ied at two diiierent rates of Speed, es desired, troni one and the saine feed screw. For instance, with a iced screw having one hundred threads to the inch, the device will permit the carriage to be fed either at the rate of one one-hundredth of an. inch or cnc two-hundred th of an inch for each revolution of the screw, 'as desired by the user.

-`ifi/"ith this end in view my invention consiets oi the features hereinafter described and claimed.

Reference is hereby made to the accom*y panying drawings, of whichvv Fiacre 1 is a iront elevation of a phonograp i provided with a feed device embody- 2-i-2 of Fig. i with thefeed device in the proper position for feeding the `carriage at the rate of one two-hundredth of an inch per feed screw rcvohiticn g Fig. 3 is a section on 0 the same iine as Fig. 2, with the feed device in position for feeding the carriage one onehundredth of an. inch per feed screw rev iuticn; Fig. et is a section on line 4 4 of 2', and Fig. l5 is a front elevation showing the 5 parte in trie position of Fig.. 3.

.New Jersey, have invented certain new andv ing my invention; Fig. 2 is a section on line i 'i The phonograph shown is of weil'knovvn form and comprises the body i, rotating feed i screw 2, mandrel 3 and movable carriage 4. Securedy at one end to the. carriage i by screws 5 is a lat spring 6 which carries at its forward end a bracket 7 the sanie being secured thereto in any editable manner, by screws 8. .This bracket is provided with. ahorizontal pin or stud @and upon the same is pivot'ed a movabie trame 10 which comprises parallel'vertical members 1i and 'i2 connected by the horizontal member 'i3 and having Aa horizontal iange le. The ineinbers 11 and 12 are provided with bearings within which is journaled a rotatable screw or threaded wheel 1'5, the periphery ci vwhich is formed with va thread having the saine pitch as the thread of the screw 2 and oli-reverse direction. For example, if the screw 2 is a right-.handed screw then the thread oi the screw l5 is let't handed. The diameter of the wheel 15 i's preferably double thzit of the screw 2 but may be of any diameter greater than the diameter of the said screw depending u on thespeed atwhich it is desired to fee( the carria te, as hilly set forth er. ieee.,

Wflum, Q' @Et-ANGE, NE'WJERSEY, SSIGNR T0 NEW JERSEY BT-EN'I GDAY, i

weer Geenen, Elie? JERSEY, A cannon/irren oir new mesnil.

in the concurrent app ication referred to'.

Secured toy-fthe horizontal flange 14 is a nut i7 the thread offwhich is termed so as to engage the th'iejadvof the screw 2, when in thepositiong-hown in Fig. 3. 'iihefranie 10 is capable oi' being turned onits ivot 9 so as to occupy either the position. of' ig'. 2 or that Y of Fig. 3. in theA position of' Fig. 3- the mit 17 will be in engagement with the feed screw v and the carriage will therefore be fed foiward at the' rate of one one-hundredth of an inch igor-each revolution of the said screw; when the frame occupies the osition of Fig.

2 the threaded wheel 15 Wil `be in enf-gage-l ment with the feed screw, andthe carriage will be fed forward at the rate of one twohundredth of an inch for each revolution of the feed screw. For convenience in shitting the frame l() from one position-to the other a curved wire 18 is secured to the saine by screw lgand serves as a finger piece. A flat springZO vis secured at one end to the frame l() by a screw '2l threaded in the boss 22, the spring being held between lthe boss and the head of the screw'. The outer end of the spring is formed-with aprojection 23 which 4is adapted to engage the' sockets or de res- Sions 24 and 2 5 .formed `in the face o` the bracket '7 -The movementolif` theirs-ine i0 feed nut and a rotary threaded wheel and being movable s0 .as to bring either' the nut or threaded wheel into engagement with the feed screw, substantially as set forth.

13. In a phonograph, the combination of the feed screw, movable carriage, a frame carried by said carriage, saidframe being provided with' a feed' nut and a rotary threaded wheel, and being movable so as to bring either the nut or 'threaded wheel into engagement with said feed screw, and means for looking said frame in either of its o erative positions, substantially as set forth).

14. In a phonograph, the combination of the feed screw, movable carriage, a frame carried b said carriage, said frame being provided. with a feed nut and a rotary threaded wheel, and being movable so as to bring either the nut or threaded wheel into engagement with said feed screw, and means for limiting the movement of seid frame in each direction beyond its operative position,

substantially as set forth.

15. In a phonograph, the combination of the feed screw, movable carriage and interchangeable means carried by the carriage for engagement with sind feed screw for feeding the carriage at different rates of speed, and an indicator movable with saidt interchangeable means for indicating the rate of feed of the carriage, substantially as set forth.

16. In a with the fee frame connected to said carriage by a horlzontal ivot, of a feed nut and rotary threaded) Wheel carried by said frame in sueh positions as to be brought into engagement with the feed screw as the frame is moved on its pivot, and van index finger se cured to said movable frame and coperatf ing with relatively fixed indicia for indicating the rate of feed ol' said carriage, substantially as set forth.

rfhis specification signed and witnessed this 22nd day of Deer., 1906.

HERMAN WOLKE.

honograph, the oombination Witnessesz FRANK L. DYER, FRANK D. Lewis.

screw, movable carriage and 

